42r-12=24r-48

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Solution for 42r-12=24r-48 equation:


Simplifying
42r + -12 = 24r + -48

Reorder the terms:
-12 + 42r = 24r + -48

Reorder the terms:
-12 + 42r = -48 + 24r

Solving
-12 + 42r = -48 + 24r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-24r' to each side of the equation.
-12 + 42r + -24r = -48 + 24r + -24r

Combine like terms: 42r + -24r = 18r
-12 + 18r = -48 + 24r + -24r

Combine like terms: 24r + -24r = 0
-12 + 18r = -48 + 0
-12 + 18r = -48

Add '12' to each side of the equation.
-12 + 12 + 18r = -48 + 12

Combine like terms: -12 + 12 = 0
0 + 18r = -48 + 12
18r = -48 + 12

Combine like terms: -48 + 12 = -36
18r = -36

Divide each side by '18'.
r = -2

Simplifying
r = -2

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